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/*-
* Copyright 2005 Colin Percival
* Copyright 2013 Daniel Gröber
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _SHA256_H_
#define _SHA256_H_
#include <stddef.h>
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
#define SHA256_DIGEST_SIZE 32
typedef struct SHA256Context {
uint32_t state[8];
uint32_t count[2];
unsigned char buf[64];
} SHA256_CTX;
void SHA256_Init(SHA256_CTX *);
void SHA256_Update(SHA256_CTX *, const void *, size_t);
void SHA256_Final(unsigned char [32], SHA256_CTX *);
/* char *SHA256_End(SHA256_CTX *, char *); */
/* char *SHA256_File(const char *, char *); */
/* char *SHA256_FileChunk(const char *, char *, off_t, off_t); */
/* char *SHA256_Data(const void *, unsigned int, char *); */
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* !_SHA256_H_ */
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